Cod sursa(job #3211617)

Utilizator YuzukyIstrate Andreea Ruxandra Yuzuky Data 9 martie 2024 17:43:36
Problema Subsecventa de suma maxima Scor 55
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.12 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("ssm.in");
ofstream out("ssm.out");
const int MAX = 1000000;
int v[MAX+1], s[MAX+1], best[MAX+1];
int main()
{
    int n;
    in>>n;
    for(int i=0; i<n; ++i)
        in>>v[i];

    s[0]=0;
    for(int i=1; i<n; ++i)
        s[i]=v[i]+s[i-1];
    int min=s[0], bestsum=-MAX, poz1=0, poz2=0;
    for(int i=1; i<n; ++i)
    {
        best[i]=s[i]-min;
        if(min>s[i])
        {
            min=s[i];
            poz1=i+1;
        }
        if(bestsum<best[i])
        {
            bestsum=best[i];
            poz2=i;
        }
    }
    out<<bestsum<<" "<<poz1+1<<" "<<poz2+1; //eu incep cu vectorul de la 0

    //solutie de 30 de puncte:
    /*for(int i=1; i<n; ++i)
        s[i]=s[i-1]+v[i];
    int maxi=0, poz1, poz2;
    for(int i=0; i<n; ++i)
    {
        for(int j=i-1; j>=0; --j)
        {
            if(s[i]-s[j]>maxi)
            {
                maxi=s[i]-s[j];
                poz1=j+1;
                poz2=i;
            }
        }
    }
    out<<maxi<<" "<<poz1+1<<" "<<poz2+1;*/
    return 0;
}